/* ============================================
   SUGAR HARMONY - MEDICAL PROFESSIONAL DESIGN
   Mobile-First Responsive CSS
   ============================================ */

/* ===== CSS RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: #1f2937;
    background-color: #ffffff;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

ul {
    list-style: none;
}

/* Disable animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== DESIGN VARIABLES ===== */
:root {
    /* Medical Professional Color Palette */
    --primary-color: #1E40AF;
    --primary-light: #3B82F6;
    --primary-lighter: #93C5FD;
    --primary-dark: #1E3A8A;
    
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    --danger-color: #EF4444;
    
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    
    --bg-white: #ffffff;
    --bg-gray-light: #f9fafb;
    --bg-gray: #f3f4f6;
    --bg-blue-light: #eff6ff;
    
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Spacing */
    --container-padding: 20px;
    --section-padding: 60px 0;
    
    /* Typography */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 15px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

/* ===== UTILITY CLASSES ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--section-padding);
}

.section-title {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-medium);
    text-align: center;
    margin-bottom: 30px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-align: center;
    min-height: 48px;
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
    min-height: 56px;
    border-radius: var(--radius-lg);
}

/* ===== HEADER / NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scroll-down {
    transform: translateY(-100%);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px var(--container-padding);
    gap: 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.nav-logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-logo-text {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.nav-menu {
    display: none;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    color: var(--text-dark);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-light);
    transition: width var(--transition-normal);
}

.nav-link:hover {
    color: var(--primary-light);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    flex-shrink: 0;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    justify-content: center;
    align-items: center;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

.nav-toggle-icon {
    position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: '';
    position: absolute;
    left: 0;
}

.nav-toggle-icon::before {
    top: -8px;
}

.nav-toggle-icon::after {
    top: 8px;
}

.nav-toggle.active .nav-toggle-icon {
    background: transparent;
}

.nav-toggle.active .nav-toggle-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .nav-toggle-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile Menu Active State */
.nav-menu.active {
    display: block;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    animation: slideDown 0.3s ease;
}

.nav-menu.active .nav-list {
    flex-direction: column;
    gap: 0;
}

.nav-menu.active .nav-item {
    border-bottom: 1px solid var(--border-color);
}

.nav-menu.active .nav-link {
    display: block;
    padding: 15px 0;
    font-size: 16px;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== HERO SECTION ===== */
.hero {
    padding-top: 100px;
    background: linear-gradient(135deg, var(--bg-blue-light) 0%, var(--bg-white) 100%);
    overflow: hidden;
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    order: -1;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%;
}

.hero-img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    object-fit: contain;
    z-index: 2;
}

/* Floating Animation for Hero Product */
.floating-animation {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% {
        transform: translate(-50%, -50%) translateY(0px);
    }
    50% {
        transform: translate(-50%, -50%) translateY(-20px);
    }
}

/* Animated Background Circles */
.hero-circle-1,
.hero-circle-2,
.hero-circle-3 {
    position: absolute;
    border-radius: 50%;
    background: var(--primary-lighter);
    opacity: 0.2;
    z-index: 1;
}

.hero-circle-1 {
    width: 300px;
    height: 300px;
    top: -50px;
    right: -50px;
    animation: pulse 4s ease-in-out infinite;
}

.hero-circle-2 {
    width: 200px;
    height: 200px;
    bottom: 50px;
    left: -30px;
    animation: pulse 5s ease-in-out infinite 1s;
}

.hero-circle-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 6s ease-in-out infinite 2s;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.2;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.3;
    }
}

.hero-content {
    width: 100%;
    text-align: center;
}

.hero-title {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

.hero-description {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 15px;
    line-height: 1.7;
    animation: fadeInUp 1s ease;
}

.btn-hero {
    margin-top: 20px;
    width: 100%;
    max-width: 400px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #059669 100%);
    font-size: 18px;
    animation: fadeInUp 1.2s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== WHY CHOOSE SECTION ===== */
.why-choose {
    background: var(--bg-white);
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 40px;
}

.why-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px 20px;
    text-align: center;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

.why-card.animate {
    animation: slideUp 0.6s ease forwards;
}

.why-card:nth-child(1) {
    animation-delay: 0.1s;
}

.why-card:nth-child(2) {
    animation-delay: 0.2s;
}

.why-card:nth-child(3) {
    animation-delay: 0.3s;
}

.why-card:nth-child(4) {
    animation-delay: 0.4s;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.why-card:hover {
    transform: translateY(-10px) rotate(2deg) scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.why-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.why-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.why-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 15px;
}

.why-description {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.6;
}

/* ===== WHAT IS SECTION ===== */
.what-is {
    background: var(--bg-gray-light);
}

.what-is-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 30px;
}

.what-is-content {
    width: 100%;
}

.what-is-text {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 20px;
    line-height: 1.8;
}

.what-is-image {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.what-is-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ===== HOW IT WORKS SECTION ===== */
.how-works {
    background: var(--bg-white);
}

.accordion {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.accordion-item {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 15px;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.accordion-item:hover {
    border-color: var(--primary-light);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: var(--bg-gray-light);
    cursor: pointer;
    transition: background var(--transition-fast);
    min-height: 60px;
}

.accordion-header:hover {
    background: var(--bg-blue-light);
}

.accordion-title {
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    text-align: left;
    margin: 0;
    flex: 1;
}

.accordion-icon {
    font-size: 24px;
    color: var(--primary-light);
    font-weight: var(--font-weight-bold);
    transition: transform var(--transition-normal);
    flex-shrink: 0;
    margin-left: 15px;
}

.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-content p {
    padding: 20px;
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ===== REVIEWS SECTION ===== */
.reviews {
    background: var(--bg-blue-light);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 40px;
}

.review-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 25px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: scale(0.9);
    transition: all var(--transition-normal);
}

.review-card.animate {
    animation: fadeInScale 0.6s ease forwards;
}

.review-card:nth-child(1) {
    animation-delay: 0.1s;
}

.review-card:nth-child(2) {
    animation-delay: 0.3s;
}

.review-card:nth-child(3) {
    animation-delay: 0.5s;
}

@keyframes fadeInScale {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.review-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-lighter);
}

.review-name {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: 3px;
}

.review-location {
    font-size: 13px;
    color: var(--text-light);
}

.review-rating {
    margin-bottom: 15px;
}

.star {
    color: var(--accent-color);
    font-size: 18px;
    margin-right: 2px;
}

.review-text {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
    font-style: italic;
}

/* ===== PRICING SECTION ===== */
.pricing {
    background: var(--bg-white);
}

/* Countdown Timer */
.countdown-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 30px 0 40px;
    padding: 20px;
    background: linear-gradient(135deg, var(--danger-color) 0%, #DC2626 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.timer-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 15px 25px;
    min-width: 90px;
}

.timer-number {
    font-size: 36px;
    font-weight: var(--font-weight-bold);
    color: var(--danger-color);
    line-height: 1;
}

.timer-label {
    font-size: 12px;
    color: var(--text-medium);
    margin-top: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-separator {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--bg-white);
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 30px;
}

.pricing-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 30px 20px;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.pricing-card-popular {
    border-color: var(--secondary-color);
    border-width: 3px;
    background: linear-gradient(180deg, var(--bg-blue-light) 0%, var(--bg-white) 100%);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--secondary-color) 0%, #059669 100%);
    color: var(--bg-white);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
}

.pricing-label {
    font-size: 14px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.pricing-package {
    font-size: 22px;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: 5px;
}

.pricing-supply {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.pricing-image {
    margin: 20px auto;
    max-width: 200px;
}

.pricing-image img {
    margin: 0 auto;
}

.pricing-price {
    font-size: 48px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin: 20px 0 10px;
}

.pricing-unit {
    font-size: 18px;
    color: var(--text-medium);
}

.pricing-total {
    margin-bottom: 15px;
}

.pricing-old {
    font-size: 20px;
    color: var(--text-light);
    text-decoration: line-through;
    margin-right: 10px;
}

.pricing-new {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    color: var(--secondary-color);
}

.pricing-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 15px 0;
}

.badge-bonus,
.badge-shipping {
    display: inline-block;
    padding: 8px 15px;
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-bonus {
    background: var(--accent-color);
    color: var(--bg-white);
}

.badge-shipping {
    background: var(--secondary-color);
    color: var(--bg-white);
}

.btn-pricing {
    width: 100%;
    margin: 20px 0 15px;
}

.pricing-payment {
    margin-top: 15px;
}

.pricing-payment img {
    margin: 0 auto;
    max-width: 180px;
}

.pricing-rating {
    margin-top: 40px;
    text-align: center;
}

.pricing-rating img {
    margin: 0 auto;
    max-width: 200px;
}

/* ===== INGREDIENTS SECTION ===== */
.ingredients {
    background: var(--bg-gray-light);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
}

.ingredient-card {
    background: var(--bg-white);
    border-left: 4px solid var(--primary-light);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: all var(--transition-normal);
}

.ingredient-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    border-left-width: 6px;
}

.ingredient-name {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 10px;
}

.ingredient-desc {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 10px;
}

.ingredient-benefits {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ===== SCIENTIFIC EVIDENCE SECTION ===== */
.science {
    background: var(--bg-white);
}

.science-intro {
    max-width: 800px;
    margin: 0 auto 30px;
    text-align: center;
}

.science-intro p {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
}

/* ===== GUARANTEE SECTION ===== */
.guarantee {
    background: var(--bg-blue-light);
}

.guarantee-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 30px;
}

.guarantee-image {
    width: 100%;
    max-width: 350px;
    margin: 0 auto;
}

.guarantee-img {
    border-radius: var(--radius-lg);
}

.guarantee-content {
    width: 100%;
}

.guarantee-item {
    margin-bottom: 30px;
}

.guarantee-subtitle {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 15px;
}

.guarantee-text {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.8;
}

/* ===== BENEFITS SECTION ===== */
.benefits {
    background: var(--bg-white);
}

.benefits-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: var(--bg-gray-light);
    border-radius: var(--radius-md);
    margin-bottom: 15px;
    transition: all var(--transition-normal);
}

.benefit-item:hover {
    background: var(--bg-blue-light);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #059669 100%);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: var(--font-weight-bold);
}

.benefit-content {
    flex: 1;
}

.benefit-title {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 5px;
}

.benefit-desc {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.6;
}

/* ===== FAQ SECTION ===== */
.faq {
    background: var(--bg-gray-light);
}

/* ===== FINAL CTA SECTION ===== */
.final-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--bg-white);
}

.final-cta .section-title {
    color: var(--bg-white);
}

.final-cta-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    margin-top: 30px;
}

.final-cta-image {
    width: 100%;
    max-width: 350px;
}

.pulse-animation {
    animation: pulseScale 2s ease-in-out infinite;
}

@keyframes pulseScale {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.final-cta-content {
    text-align: center;
    width: 100%;
}

.final-cta-title {
    font-size: 26px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 20px;
    line-height: 1.3;
}

.final-cta-pricing {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 25px;
}

.final-cta-old-price {
    font-size: 18px;
    text-decoration: line-through;
    opacity: 0.8;
}

.final-cta-new-price {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
}

.btn-final-cta {
    background: var(--bg-white);
    color: var(--primary-color);
    width: 100%;
    max-width: 400px;
    font-size: 20px;
}

.btn-final-cta:hover {
    background: var(--secondary-color);
    color: var(--bg-white);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--text-dark);
    color: var(--bg-white);
    padding: 40px 0 20px;
}

.footer-content {
    text-align: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px 15px;
    margin-bottom: 25px;
}

.footer-link {
    font-size: 14px;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary-lighter);
}

.footer-separator {
    color: var(--text-light);
}

.footer-disclaimer {
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
}

.footer-disclaimer p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.7;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
}

.footer-copyright {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
    font-size: 14px;
    color: var(--text-light);
}

/* ===== SCROLL TO TOP BUTTON ===== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ===== EXIT INTENT POPUP ===== */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: 20px;
}

.popup-overlay.show {
    opacity: 1;
    visibility: visible;
}

.popup {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    position: relative;
    padding: 40px 30px;
    box-shadow: var(--shadow-xl);
    transform: scale(0.8);
    transition: transform var(--transition-normal);
}

.popup-overlay.show .popup {
    transform: scale(1);
    animation: popupBounce 0.5s ease;
}

@keyframes popupBounce {
    0% {
        transform: scale(0.8);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 35px;
    height: 35px;
    background: var(--bg-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.popup-close:hover {
    background: var(--danger-color);
    color: var(--bg-white);
    transform: rotate(90deg);
}

.popup-content {
    text-align: center;
}

.popup-title {
    font-size: 26px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 15px;
}

.popup-text {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 20px;
    line-height: 1.6;
}

.popup-discount {
    background: linear-gradient(135deg, var(--accent-color) 0%, #F59E0B 100%);
    color: var(--bg-white);
    padding: 20px;
    border-radius: var(--radius-lg);
    margin-bottom: 25px;
}

.popup-discount-text {
    display: block;
    font-size: 14px;
    margin-bottom: 5px;
}

.popup-discount-price {
    display: block;
    font-size: 36px;
    font-weight: var(--font-weight-bold);
}

.btn-popup {
    width: 100%;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #059669 100%);
}

/* ===== PURCHASE NOTIFICATION ===== */
.notification {
    position: fixed;
    bottom: 30px;
    left: 20px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 15px 20px;
    box-shadow: var(--shadow-xl);
    max-width: 320px;
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-100%);
    transition: all var(--transition-normal);
}

.notification.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.notification-icon {
    font-size: 24px;
}

.notification-text {
    flex: 1;
    font-size: 14px;
    color: var(--text-dark);
}

.notification-name {
    display: block;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 3px;
}

.notification-message {
    display: block;
    color: var(--text-medium);
}

/* ===== RESPONSIVE BREAKPOINTS ===== */

/* 480px - Phones */
@media (min-width: 480px) {
    .section-title {
        font-size: 32px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .timer-box {
        padding: 20px 30px;
        min-width: 100px;
    }
    
    .timer-number {
        font-size: 42px;
    }
}

/* 576px - Large Phones */
@media (min-width: 576px) {
    :root {
        --container-padding: 30px;
        --section-padding: 80px 0;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 768px - Tablets */
@media (min-width: 768px) {
    .nav-menu {
        display: block;
    }
    
    .nav-toggle {
        display: none;
    }
    
    .hero {
        padding-top: 120px;
    }
    
    .hero-container {
        flex-direction: row;
        align-items: center;
        gap: 60px;
    }
    
    .hero-image {
        order: 0;
        flex: 1;
    }
    
    .hero-content {
        flex: 1;
        text-align: left;
    }
    
    .hero-title {
        font-size: 44px;
    }
    
    .btn-hero {
        width: auto;
    }
    
    .what-is-container {
        flex-direction: row;
        align-items: center;
        gap: 50px;
    }
    
    .what-is-content {
        flex: 1;
    }
    
    .what-is-image {
        flex: 1;
    }
    
    .guarantee-container {
        flex-direction: row;
        align-items: center;
        gap: 50px;
    }
    
    .guarantee-image {
        flex: 1;
    }
    
    .guarantee-content {
        flex: 1;
    }
    
    .final-cta-container {
        flex-direction: row;
        align-items: center;
        gap: 50px;
    }
    
    .final-cta-image {
        flex: 1;
    }
    
    .final-cta-content {
        flex: 1;
        text-align: left;
    }
    
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .notification {
        left: 30px;
        max-width: 350px;
    }
}

/* 1024px - Small Laptops / Desktop */
@media (min-width: 1024px) {
    :root {
        --section-padding: 100px 0;
    }
    
    .section-title {
        font-size: 40px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .why-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 1440px - Large Desktop */
@media (min-width: 1440px) {
    .container {
        max-width: 1320px;
    }
    
    .section-title {
        font-size: 44px;
    }
    
    .hero-title {
        font-size: 52px;
    }
}

/* ===== ACCESSIBILITY ===== */
*:focus-visible {
    outline: 3px solid var(--primary-light);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .nav,
    .scroll-top,
    .popup-overlay,
    .notification,
    .footer-social {
        display: none;
    }
    
    body {
        color: #000;
    }
    
    a {
        text-decoration: underline;
    }
}